# Relationship history for MSHA mine 1202256

Current hierarchy: **Michael  Hollingshead → SRM Materials, LLC → Daleville Mine**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Mc Intire Concrete Sand & Gravel → Daleville Mine; 1999-07-01 to 2013-11-21; source msha-controller-operator-history
- **controller_controls_mine:** Richard M  McIntire → Daleville Mine; 1999-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Richard M  McIntire → Mc Intire Concrete Sand & Gravel; 1999-07-01 to 2013-11-21; source msha-controller-operator-history
- **operator_operates_mine:** Delaware Co. Materials LLC → Daleville Mine; 2013-11-22 to 2021-10-17; source msha-controller-operator-history
- **controller_controls_mine:** Mike  Shumaker et al → Daleville Mine; 2013-11-22 to 2016-06-19; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Shumaker et al → Delaware Co. Materials LLC; 2013-11-22 to 2016-06-19; source msha-controller-operator-history
- **controller_controls_operator:** Butch  Nuckols et al → Delaware Co. Materials LLC; 2013-11-22 to 2016-06-19; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Beaver et al → Delaware Co. Materials LLC; 2013-11-22 to 2016-06-19; source msha-controller-operator-history
- **controller_controls_mine:** Michael  Hollingshead et al → Daleville Mine; 2013-12-26 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jerry  Linzey et al → Daleville Mine; 2016-06-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Linzey et al → Delaware Co. Materials LLC; 2016-06-20 to 2021-10-17; source msha-controller-operator-history
- **controller_controls_operator:** Butch  Nuckols et al → Delaware Co. Materials LLC; 2016-06-20 to 2021-10-17; source msha-controller-operator-history
- **controller_controls_operator:** Chris  Beaver et al → Delaware Co. Materials LLC; 2016-06-20 to 2021-10-17; source msha-controller-operator-history
- **operator_operates_mine:** SRM Materials, LLC → Daleville Mine; 2021-10-18 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Michael  Hollingshead et al → SRM Materials, LLC; 2021-10-18 to current/open; source msha-controller-operator-history